145440491

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{661}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 180455904

約数和(自身を除く): 35015413

約数列:

[1, 7, 17, 43, 119, 301, 661, 731, 1849, 4627, 5117, 11237, 12943, 28423, 31433, 78659, 198961, 220031, 483191, 1222189, 3382337, 8555323, 20777213, 145440491]

約数ペア:

[(1, 145440491), (7, 20777213), (17, 8555323), (43, 3382337), (119, 1222189), (301, 483191), (661, 220031), (731, 198961), (1849, 78659), (4627, 31433), (5117, 28423), (11237, 12943)]